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TIL the population of Washington DC is greater than the population of Wyoming

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QNE7d TIL Freshwater snails are one of the world's most deadly animals because they transmit the organism that causes schistosomiasis (aka bilharzia), which is, in and of itself, one of the most deadly parasites on the planet! Nearly 230m people were infected in 2014 and there are~200,000 deaths annually.
ORKY TIL Iditarod huskies have a ‘Maximal Oxygen Uptake’ (V02 Max) as high as 240 mL/(kg·min) - greater than Thoroughbred horses (180 mL/(kg·min), and nearly three times greater than the highest human V02 max ever recorded (97.5 mL/(kg·min).
e0K8k TIL at age 53, Roosevelt delivered a 50 page speech after getting shot in the chest, the stack of paper for his speech cushioned him against the bullet.
0dMwp TIL The "Pirate Accent" originates from a single actor. Robert Newton exaggerated his natural Cornish accent when he portrayed Blackbeard and Long John Silver in Various Films in the 1950s.
R55K1 TIL a cat’s purr is typically between 25Hz and 140Hz. These levels have shown promise in healing bone and joint problems, so much so that the rate of healing for broken bones has shown to increase.